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 Originally Posted by oskar
There is an obvious benefit to interstellar travel in the long run: survival. The fact that nobody is here yet could mean a few things. One of those would be that to a sufficiently advanced intelligence survival is no longer a priority. If I have any religious feeling it would be that an eternal mind would make itself mortal. I get bored watching re-runs of the simpsons. Imagine watching your billionth universe collapse.
I think any entity within the universe experiencing anything not of the universe is a dream. The most advanced entity possible in this universe will not even see the death of this one because it will die before the universe does (universe death is a misnomer anyways, it's possible this thing will never technically end)
As for survival of advanced entities, I think that becomes easier and easier over time. Our distant artificial ancestors will survive for trillions of years. Trillions and trillions, likely. It will die in year trillion^trillion or whatever it is when all the stars die and the universe is nearing uniform absolute zero.
I do not think interstellar travel does anything for survival. That assumes biological forms that need earths for sustenance. I assume biology will be long dead in maybe 10k years (probably much sooner). I see no reason why our ancestors won't have quantum generators that create whatever raw material is needed just by manipulating the particles contained within it. I suspect distant life will just be floating through space, not worried about anything outside its hub except collisions that would smash its hardware
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